Optical Network Design and Implementation

Network Design Strategies

Carriers and service providers have traditionally used various strategies in designing networks. Some of the key business parameters that drive optical network design include the following:

• Low capital expenditure (CAPEX)

• Low operating expenditure (OPEX)

• Low total cost of ownership (TCO)

• Rapid return on investment (ROI)

Networks can be engineered to guarantee a low TCO in the way they are built and operated. TCO can be defined as a sum of CAPEX and OPEX. Some operators prefer the minimum CAPEX model versus the minimum TCO model. In the minimum CAPEX model, the service provider goes for the lowest initial bid proposal from vendors as long as it meets requirements, in an effort to initiate and expand its infrastructure. Minimal ...